This week a Japanese man has been jailed for two years for building two 3D printed guns and is the first man in history to have been jailed for making a weapon using 3D printing technology.

The printers can now even print guns for users and, in Japan, one man was arrested as a result. Yoshitomo Imura, 27 years old, was arrested in Kawasaki, Japan.

Japan is putting its strict firearms-control laws up against the latest in digital manufacturing with the arrest of a man who allegedly made 3D-printed guns. Yoshitomo Imura, 27, was collared ...